i use technology all day long to do what i do. i connect to my customers, i access the marketplace. >> why do we need 90 venues to trade this stuff? >> i have a better idea, and it came from myron shoals, who is one of the fathers of options trading. apparently, i had not heard of him but he was in "the financial times" today. he made the point, and this is a free market solution, simply say you cannot cancel trades. goldmans or the nyse, if you make a mistake, you will have to pay the price for that. i think you'd probably find you suddenly had much more robust systems in there. >> in fact, that might be very true because i do agree at some point you've got -- if you never end up paying the price, then you never end up fixing the problem. so if you keep canceling those trades, it lets you off the hook. that might be one part of the solution. although the other part of the solution i think is to go back and look at the current market structure we have today because i think, and a lot of people will agree, current market structure